ENTRY AND START SYSTEM (for Start Function), Diagnostic DTC:B2286

DTC Code DTC Name
B2286 Runnable Signal Malfunction

DESCRIPTION

The main body ECU and ECM are connected by a cable and the CAN communication line. If the cable information and CAN information are inconsistent, this DTC is stored.

DTC Code Detection Condition Trouble Area
B2286 The cable and CAN information between the main body ECU and ECM is inconsistent.

  • Main body ECU


  • ECM


  • Harness or connector

WIRING DIAGRAM

A01EPDPE01

INSPECTION PROCEDURE

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (ENGINE CONDITION)


    1. Use the Data List to check if the engine start is functioning properly.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Engine Condition Engine condition/Stop or Run

      Stop: Engine stopped

      Run: Engine running

      		 -
      Result
      Result Proceed to
      Display on the intelligent tester does not change according to engine condition A
      Display on the intelligent tester changes according to engine condition B

    B

    REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

    A

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)

    A01ESOIE01

    1. Disconnect the E3 main body ECU connector.

    2. Disconnect the A38 ECM connector (for LHD).

    3. Disconnect the A53 ECM connector (for RHD).

    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      E3-8 (TACH) - A38-15 (TACH) Always Below 1 Ω
      E3-8 (TACH) or A38-15 (TACH) - Body ground Always 10 kΩ or higher
      for RHD
      Tester Connection Condition Specified Condition
      E3-8 (TACH) - A53-15 (TACH) Always Below 1 Ω
      E3-8 (TACH) or A53-15 (TACH) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)


    1. Temporarily replace the main body ECU with a new or normally functioning one.

    2. Check whether DTC B2286 is output.

      OK
      No DTC is output.
      Result
      Result Proceed to
      OK A
      NG (for 3UR-FE) B
      NG (for 1UR-FE) C

    B

    REPLACE ECM Click here

    C

    REPLACE ECM Click here

    A

    END